A) will remain the same
B) will become half
C) will become four times
D) will become double
Correct Answer: A
Solution :
For the resistance, \[R=\frac{l}{A}\] Hence, \[{{R}_{1}}=\frac{l}{A}\] ?(i) according to question \[{{R}_{2}}=\frac{2l}{2A}\] ?(ii) So, from equation (i) and (ii) we have \[{{R}_{1}}={{R}_{2}}\]You need to login to perform this action.
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